6.3.2 黑子

复习:
2021

Jiangan Zhang, Zhengzhou

概述:

同义词

肛门的裂隙

定义

限局的小斑疹，伴黑素增多，但黑素细胞不增多。 

病因和发病机理

皮肤或者黏膜棕色斑疹。 

症状

棕色斑疹。 

定位

常分布于手、面部，偶累及黏膜。 

分类

黏膜黑子、雀斑、晒伤样黑子、PUVA黑子、生殖器黑子和老年黑子。 

诊断

依据典型临床表现。 

鉴别诊断

需和痣细胞痣、恶性雀斑样痣和其他色素性皮肤病鉴别。 

Prevention & Therapy

无需治疗。 

Note Saved
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